Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455176 | Fluorescence-reddening membrane and red-emitting device using same | Mitsuru Eida, Hidetsugu Ikeda | 2002-09-24 |
| 6221517 | Fluorescence-reddening membrane and red-emitting device | Mitsuru Eida, Hidetsugu Ikeda | 2001-04-24 |